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P0117 2010 Nissan Pathfinder Code - Engine Coolant Temperature Circuit Low

Quick Answer

The P0117 diagnostic trouble code (DTC) for a 2010 Nissan Pathfinder indicates an issue with the Engine Coolant Temperature (ECT) Circuit being lower than the normal operating range. Common causes include Faulty ECT sensor, Damaged wiring or connectors in the ECT circuit, Malfunctioning ECM. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0117 2010 Nissan Pathfinder indicates Engine Coolant Temperature Circuit Low.
Common causes
Common causes include Faulty ECT sensor, Damaged wiring or connectors in the ECT circuit, Malfunctioning ECM.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code P0117 2010 Nissan Pathfinder Description

The P0117 diagnostic trouble code (DTC) for a 2010 Nissan Pathfinder indicates an issue with the Engine Coolant Temperature (ECT) Circuit being lower than the normal operating range. The ECT sensor is responsible for monitoring the temperature of the engine coolant and sending this information to the engine control module (ECM). The ECM uses this data to adjust fuel delivery and ignition timing to ensure optimal engine performance and efficiency.

OBDII Code P0117 2010 Nissan Pathfinder - Engine Coolant Temperature Circuit Low
P0117 2010 Nissan Pathfinder Code - Engine Coolant Temperature Circuit Low

Common Causes of P0117 2010 Nissan Pathfinder

  1. Faulty ECT sensor
  2. Damaged wiring or connectors in the ECT circuit
  3. Malfunctioning ECM
  4. Cooling system issue causing the engine to run cooler than normal

Symptoms of P0117 2010 Nissan Pathfinder

  1. Poor fuel economy
  2. Rough idling or stalling
  3. Difficulty starting the engine
  4. Reduced power output
  5. Increased emissions

How to Fix P0117 2010 Nissan Pathfinder

  1. Begin by diagnosing the issue using a scan tool to confirm the P0117 code and check the ECT sensor's readings.
  2. Inspect the ECT sensor, wiring, and connectors for any visible damage or corrosion. Replace any faulty components.
  3. Test the ECT sensor's resistance with a multimeter to ensure it is within the manufacturer's specifications.
  4. Clear the DTC and reset the ECM to see if the code returns after the repairs.
  5. Test drive the vehicle to verify that the symptoms associated with the P0117 code have been resolved.

Cost to Fix P0117 2010 Nissan Pathfinder

The typical repair costs for addressing a P0117 code on a 2010 Nissan Pathfinder can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor in your area. It's important to note that diagnostic time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate.

What does this mean?

Tech Notes for P0117 2010 Nissan Pathfinder

If the coolant level is low, add coolant and reset the code. If the car is overheating the thermostat may have to be replaced. If the problem continues the engine coolant temperature (ECT) sensor.

When is the Code Detected?

An excessively low voltage from the sensor is sent to ECM.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0117 2010 Nissan Pathfinder Code

1. What does OBDII code P0117 on a 2010 Nissan Pathfinder mean?

The code P0117 indicates a problem with the Engine Coolant Temperature (ECT) circuit, specifically that the sensor is reading a low voltage.

2. What are the common symptoms of OBDII code P0117 in a 2010 Nissan Pathfinder?

Common symptoms include inaccurate temperature gauge readings, poor fuel economy, engine overheating, and the Check Engine Light illuminating on the dashboard.

3. What are the possible causes of OBDII code P0117 in a 2010 Nissan Pathfinder?

Potential causes include a faulty ECT sensor, a damaged sensor connector or wiring, low coolant levels, a stuck-open thermostat, or issues with the engine control module (ECM).

4. How can I diagnose the OBDII code P0117 on my 2010 Nissan Pathfinder?

You can diagnose the code by checking the ECT sensor's resistance, inspecting the sensor and its wiring for damage, verifying coolant levels, testing the thermostat, and scanning the ECM for any related trouble codes.

5. Can I continue to drive my 2010 Nissan Pathfinder with OBDII code P0117?

It is recommended to address the issue promptly to avoid potential engine damage or poor performance. Continued driving with a faulty ECT sensor can lead to overheating and other serious problems.

6. How can I repair OBDII code P0117 on a 2010 Nissan Pathfinder?

Repair options may involve replacing the ECT sensor, repairing damaged wiring or connectors, topping up coolant levels, replacing the thermostat if necessary, and clearing the trouble code with a diagnostic scanner.

7. Are there any DIY tips for fixing OBDII code P0117 in a 2010 Nissan Pathfinder?

While some tasks like checking wiring connections can be DIY-friendly, diagnosing and replacing the ECT sensor may require basic automotive knowledge or professional assistance to ensure proper installation.

8. How much does it cost to fix OBDII code P0117 on a 2010 Nissan Pathfinder?

Costs can vary depending on the underlying issue, but replacing the ECT sensor can range from $50 to $200, while addressing wiring or ECM problems may incur additional labor charges.

9. Will resetting the Check Engine Light resolve OBDII code P0117 on a 2010 Nissan Pathfinder?

Resetting the light without addressing the root cause will only temporarily clear the code. It's crucial to diagnose and fix the underlying issue to prevent the code from reappearing.

10. Is OBDII code P0117 a common issue in 2010 Nissan Pathfinders?

While not the most common issue, the P0117 code related to the ECT circuit can occur in 2010 Nissan Pathfinders due to sensor failures, wiring issues, or cooling system problems.

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